44 lines
1.5 KiB
Plaintext
Executable File
44 lines
1.5 KiB
Plaintext
Executable File
//
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// Copyright (C) 2002-2004 Red Hat Inc. All Rights Reserved.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation; either version 2.1 of
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// the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// $Id: SelfReference.pdl 287 2005-02-22 00:29:02Z sskracic $
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// $DateTime: 2004/08/16 18:10:38 $
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model oql;
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object type Object {
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BigInteger[1..1] id = objects.id INTEGER;
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String [1..1] type = objects.type VARCHAR(200);
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object key (id);
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}
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object type SelfReference extends Object {
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String[1..1] name = query_tests.name VARCHAR(200);
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BigDecimal[0..1] parent_id = query_tests.parent_id INTEGER;
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SelfReference[0..1] parent = join query_tests.parent_id to query_tests.id;
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reference key (query_tests.id);
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aggressive load (parent.id, parent.name, parent.type);
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}
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// this helps the ddl generator and is not needed for anything else
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object type SelfReferenceHelper {
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BigDecimal id = it.ic INTEGER;
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object key (id);
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}
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